EUVD-2026-42331

Mistune: XSS via percent-encoded javascript URI bypass in safeurl...

CVE-2026-59923

A flaw was found in Mistune, a Python Markdown parser. This vulnerability allows an attacker to bypass URL protections by using specially crafted Markdown links or images containing percent-encoded javascript URIs. This can lead to the execution of arbitrary scripts in the rendered HTML,...

SUSE CVE-2026-59923

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, HTMLRenderer.safeurl does not block percent-encoded javascript URIs, allowing attacker-supplied Markdown links or images to bypass URL protections and execute script in rendered HTML. This issue is fixed in version...

Linux Distros Unpatched Vulnerability : CVE-2026-59923

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, HTMLRenderer.safeurl does not block percent-encoded javascript URIs, allowing...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the safeurl function. An attacker can execute arbitrary scripts in the rendered HTML by supplying specially crafted percent-encoded javascript URIs in Markdown links or images. Details Cross-site scripting o...

CVE-2026-59923 Mistune: XSS via percent-encoded javascript URI bypass in safe_url()

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, HTMLRenderer.safeurl does not block percent-encoded javascript URIs, allowing attacker-supplied Markdown links or images to bypass URL protections and execute script in rendered HTML. This issue is fixed in version...

CVE-2026-59923 Mistune: XSS via percent-encoded javascript URI bypass in safe_url()

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, HTMLRenderer.safeurl does not block percent-encoded javascript URIs, allowing attacker-supplied Markdown links or images to bypass URL protections and execute script in rendered HTML. This issue is fixed in version...

PT-2026-56509

Name of the Vulnerable Software and Affected Versions Mistune versions prior to 3.3.0 Description The HTMLRenderer.safe url function fails to block percent-encoded javascript URIs. This allows an attacker to use specially crafted Markdown links or images to bypass URL protections and execute...

EUVD-2005-0693

Malware in sbrugna...

EUVD-2009-0308

Malware in sbrugna...

Linux Distros Unpatched Vulnerability : CVE-2019-1010083

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The Pallets Project Flask before 1.0 is affected by: unexpected memory usage. The impact is: denial of service. The attack vector is: crafted encoded JSON data...

Attackers Use Encoded JavaScript to Deliver Malware

Cyber attackers are using encoded JavaScript files to hide malware, abusing Microsoft's Script Encoder to disguise harmful scripts…...

Collabora Online 安全漏洞

Collabora Online is an application from Collabora UK. A powerful LibreOffice-based online office that supports all major document, spreadsheet and presentation file formats. A security vulnerability exists in Collabora Online versions prior to 24.04.6.2, which stems from the ability to inject...

Malvertising on Microsoft Edge's News Feed pushes tech support scams

While Google Chrome still dominates as the top browser, Microsoft Edge, which is based on the Chromium source code, is gradually gaining more users. Perhaps more importantly, it is the default browser on the Microsoft Windows platform and as such some segments of its user base are of particular...

UBUNTU-CVE-2021-26929

An XSS issue was discovered in Horde Groupware Webmail Edition through 5.2.22 where the HordeTextFilter library before 2.3.7 is used. The attacker can send a plain text e-mail message, with JavaScript encoded as a link or email that is mishandled by preProcess in Text2html.php, because bespoke us...

CVE-2020-15299

A reflected Cross-Site Scripting XSS Vulnerability in the KingComposer plugin through 2.9.4 for WordPress allows remote attackers to trick a victim into submitting an installonlinepreset AJAX request containing base64-encoded JavaScript in the kc-online-preset-data POST parameter that is executed...

CVE-2020-15299

A reflected Cross-Site Scripting XSS Vulnerability in the KingComposer plugin through 2.9.4 for WordPress allows remote attackers to trick a victim into submitting an installonlinepreset AJAX request containing base64-encoded JavaScript in the kc-online-preset-data POST parameter that is executed...

KingComposer < 2.9.5 - Unauthenticated Reflected Cross-Site Scripting

A reflected Cross-Site Scripting XSS Vulnerability in the KingComposer plugin through 2.9.4 for WordPress allows remote attackers to trick a victim into submitting an installonlinepreset AJAX request containing base64-encoded JavaScript in the kc-online-preset-data POST parameter that is executed...

Persistent XSS vulnerability in eBuddy Web Messenger

Persistent XSS vulnerability in eBuddy Web Messenger A team member from Virtual Luminous Security , Russian Federation, has discovered a persistent XSS vulnerability in eBuddy the biggest web IM solution in the world by transmitting messages with embedded encoded javascript code. In-depth detail...

Cross site scripting

Cross-site scripting XSS vulnerability in Web Help Desk before 9.1.18 allows remote attackers to inject arbitrary web script or HTML via vectors related to "encoded JavaScript" and Helpdesk.woa...